What is the version of your SonicOS do you have? Upgrade it to the latest release if it is not already.

The problem may be with an upstream device on the network.

Additional Protocol 2 is IGMP, which is a session-layer protocol that is used to manage multicast groups. When a host wants to join a specific multicast group, it sends a Membership Report to notify the gateway that it is listening on a specific multicast address.

FYI: Drop code 17 means there was a NULL source IP address.

If Remote Services are enabled on a Windows machine, it will send an IGMP Membership Report to the 'all routers multicast group' 224.0.0.22 when it comes online. If Multicast support is not enabled on the interface, the SonicWALL will drop this packet and log the message "Malformed or unhandled IP Packet dropped, IP Protocol 2". To enable Multicast support on an interface, check the Enable Multicast Support box in the Interface configuration under the Advanced tab.

Hey guys, I will do a screen shot of the log file so its not so jammed. Also, I spoke with Sonicwall Tech support and they told me not worry about it, that it has to do with the IPS providing IPv6 traffic because people are starting to use IPv6 now. Is this true???

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